10194: Improve versioning of arvados/jobs image.

[arvados.git] / sdk / cwl / gittaggers.py

diff --git a/sdk/cwl/gittaggers.py b/sdk/cwl/gittaggers.py
deleted file mode 120000 (symlink)
index d59c02ca1758d4b5e484cb6e3280ba0ae2b7c5ea..0000000000000000000000000000000000000000
--- a/sdk/cwl/gittaggers.py
+++ /dev/null
@@ -1 +0,0 @@
-../python/gittaggers.py
\ No newline at end of file

diff --git a/sdk/cwl/gittaggers.py b/sdk/cwl/gittaggers.py
new file mode 100644 (file)
index 0000000000000000000000000000000000000000..2a292ee061b412d85216c68b81e2d0acd9557765
--- /dev/null
+++ b/sdk/cwl/gittaggers.py
@@ -0,0 +1,37 @@
+from setuptools.command.egg_info import egg_info
+import subprocess
+import time
+import os
+
+SETUP_DIR = os.path.dirname(__file__) or '.'
+
+def choose_version_from():
+    sdk_ts = subprocess.check_output(
+        ['git', 'log', '--first-parent', '--max-count=1',
+         '--format=format:%ct', os.path.join(SETUP_DIR, "../python")]).strip()
+    cwl_ts = subprocess.check_output(
+        ['git', 'log', '--first-parent', '--max-count=1',
+         '--format=format:%ct', SETUP_DIR]).strip()
+    if int(sdk_ts) > int(cwl_ts):
+        getver = os.path.join(SETUP_DIR, "../python")
+    else:
+        getver = SETUP_DIR
+    return getver
+
+class EggInfoFromGit(egg_info):
+    """Tag the build with git commit timestamp.
+
+    If a build tag has already been set (e.g., "egg_info -b", building
+    from source package), leave it alone.
+    """
+
+    def git_timestamp_tag(self):
+        gitinfo = subprocess.check_output(
+            ['git', 'log', '--first-parent', '--max-count=1',
+             '--format=format:%ct', choose_version_from()]).strip()
+        return time.strftime('.%Y%m%d%H%M%S', time.gmtime(int(gitinfo)))
+
+    def tags(self):
+        if self.tag_build is None:
+            self.tag_build = self.git_timestamp_tag()
+        return egg_info.tags(self)